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S. C.' HORTON, O'F TARRYTOWN, .NEW YORK.

Lnm Patent No. 86,400, dated February 2, 1869.

The Schedule referred to in these Lettera Patent and making pxtof the `same.

*dOb-Q* lTo all whom it ma/y conce/rn Be it known that I, S. O. HORTON, of Tarrytown,`

Westchester county, INew York, have invented a new and improved Post-Hole Digger; and Ido hereby declare that the following is a full, clear, and exact description thereof, which will enable others skilled in the art to make and use the same, reference being had to the accompanying drawing, forming part of this yspecification.

The gure is a side view of my improved post-hole digger.

- My invention has for its object to furnish animproved post-hole digger, which shall be simple in construction and effective in operation, doing its work quickly and well; and

It consists in the peculiar constructionof the same,y `as-will behereinafter more fully described.

' A represents the shank of the digger, the lower end of which is made pointed, as shown in the drawing, to assist it in entering the ground, and to serve as a guide to cause it to pass down vertically into the ground.

The upper end of the shank A is made hollow, to receive the lower end of the shaft, which is secured in place by any of the well-known means for such purposes, and the upper end ofwhich is provided with a cross-head or handlc in the ordinary manner.

B isa spiral ange, cast solid upon the shank A, 'and making about one and ahalf turn around said shank A. Y

The pitch of thel spiral flange B is made irregular, being steeper insome places than in others, so as to .break up the slice being raised by said fiange B, and thus to facilitate the raising of said slice from the hole.

This construction and arrangement of the spiral dange B also allows the digger to pass freely through stony ground, the said stones, when not larger than the space betweenthe turns of said flange B, passing up freely.

G is an upwardlyprojecting lip or cutter detachably secured to the edge of the lower part of the spiral flange B by rivets, screws, or bolts, so that it may be detached, when desired, to enable it to be sharpened or replaced with a new one.

The lip or cutter O is designed to separate the slice being cut and raised from the mass of the ground, so

fied.

S. C. HORTON. Witnesses:

w G. T. DAVIS,

Jes. AYRns.

as to leave the surface ot' the'hole smooth and regular. 

